Finding the Third Proportional to 2,560 and 5,600

Step by Step Solution

1. Step 1: Write the proportion equation
   2,560 : 5,600 = 5,600 : x
2. Step 2: Convert to fraction form
   2,560/5,600 = 5,600/x
3. Step 3: Cross multiply
   2,560x = 5,600 × 5,600
4. Step 4: Simplify right side
   2,560x = 31,360,000
5. Step 5: Solve for x
   x = 31,360,000/2,560
6. Step 6: Final answer
   x = 12,250